Which two statements are true about RSTP? (Choose two.)
A.
By default, RSTP uses a separate TCN BPDU when interoperating with 802.1D switches.
B.
By default, RSTP does not use a separate TCN BPDU when interoperating with 802.1D switches.
C.
If a designated port receives an inferior BPDU, it immediately triggers a reconfiguration.
D.
By default, RSTP uses the topology change TC flag.
E.
If a port receives a superior BPDU, it immediately replies with its own information, and no
reconfiguration is triggered.